1343040011 has 4 divisors (see below), whose sum is σ = 1343119272. Its totient is φ = 1342960752.

The previous prime is 1343039987. The next prime is 1343040029. The reversal of 1343040011 is 1100403431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1100403431 = 26267 ⋅41893.

It is a cyclic number.

It is not a de Polignac number, because 1343040011 - 2²⁶ = 1275931147 is a prime.

It is a super-2 number, since 2×1343040011² = 3607512942293760242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343042011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2810 + ... + 51903.

It is an arithmetic number, because the mean of its divisors is an integer number (335779818).

Almost surely, 2^1343040011 is an apocalyptic number.

1343040011 is a deficient number, since it is larger than the sum of its proper divisors (79261).

1343040011 is an equidigital number, since it uses as much as digits as its factorization.

1343040011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79260.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1343040011 is about 36647.5102974268. The cubic root of 1343040011 is about 1103.3068562957.

Adding to 1343040011 its reverse (1100403431), we get a palindrome (2443443442).

The spelling of 1343040011 in words is "one billion, three hundred forty-three million, forty thousand, eleven".